擅长:python、mysql、java
<p>每行用空格隔开:</p>
<h3>代码:</h3>
<pre><code>clean_lines = [' '.join([w.strip() for w in l.strip().split()])
for l in lines if l.strip()]
</code></pre>
<h3>测试代码:</h3>
^{pr2}$
<h3>结果:</h3>
<pre><code>Y 2457620.83012 -0.433 0.004
Y 2457620.83100 -0.439 0.005
Y 2457620.83518 -0.459 0.004
Y 2457620.83600 -0.470 0.005
Y 2457620.83684 -0.498 0.004
Y 2457620.83767 -0.480 0.005
Y 2457620.83851 -0.490 0.005
</code></pre>